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Finding the Third Proportional to 876,087.75 and 1,280,871

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Solution

The third proportional to 876,087.75 and 1,280,871 is: 1,872,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,087.75 : 1,280,871 = 1,280,871 : x
  2. Step 2: Convert to fraction form
    876,087.75/1,280,871 = 1,280,871/x
  3. Step 3: Cross multiply
    876,087.75x = 1,280,871 × 1,280,871
  4. Step 4: Simplify right side
    876,087.75x = 1,640,630,518,641
  5. Step 5: Solve for x
    x = 1,640,630,518,641/876,087.75
  6. Step 6: Final answer
    x = 1,872,678.30

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.